Phloem development: current knowledge and future perspectives.

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cam.issuedOnline2014-09-02
dc.contributor.authorHeo, Jung-Ok
dc.contributor.authorRoszak, Pawel
dc.contributor.authorFuruta, Kaori M
dc.contributor.authorHelariutta, Ykä
dc.contributor.orcidHelariutta, Yrjo [0000-0002-7287-8459]
dc.date.accessioned2019-06-24T13:24:51Z
dc.date.available2019-06-24T13:24:51Z
dc.date.issued2014-09
dc.description.abstractPhloem, as a major tissue mediating long-distance communication, has been an object of extensive research ever since its structure was first reported in 1837. Functional phloem consists of sieve elements (SEs) and companion cells (CCs). While SEs are enucleated conducting cells in the phloem, CCs are cells with intact cellular components and are known to support the functioning of SEs. CCs are closely linked to SEs by symplastic connections mediated by plasmodesmata (PD). Sieve elements are notoriously sensitive to manipulation, which has hampered efforts to investigate their structure using microscopy or histology; phloem thus remains a mysterious tissue almost 200 yr after its discovery. Nevertheless, consistent efforts have overcome many of the technical barriers and generated considerable amounts of data about the structure and function of phloem. Advances in the 1950s and 1960s significantly improved our understanding of phloem anatomy and function. A major function of the phloem is to establish symplastic connections throughout the plant body, delivering nutrients and various signaling molecules, which play pivotal roles in growth and development. Despite the importance of phloem, details about the molecular mechanisms responsible for the establishment and maintenance of phloem continuity remain elusive.
dc.format.mediumPrint-Electronic
dc.identifier.doi10.17863/CAM.40999
dc.identifier.eissn1537-2197
dc.identifier.issn0002-9122
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/293892
dc.languageeng
dc.language.isoen
dc.publisherWiley
dc.publisher.urlhttp://dx.doi.org/10.3732/ajb.1400197
dc.subjectcompanion cells
dc.subjectcontinuity
dc.subjectdevelopment
dc.subjectphloem
dc.subjectsieve elements
dc.subjectBiological Transport
dc.subjectCell Communication
dc.subjectGenes, Plant
dc.subjectPhloem
dc.subjectPlants
dc.titlePhloem development: current knowledge and future perspectives.
dc.typeArticle
prism.endingPage1402
prism.issueIdentifier9
prism.publicationDate2014
prism.publicationNameAm J Bot
prism.startingPage1393
prism.volume101
rioxxterms.licenseref.startdate2014-09-02
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.typeJournal Article/Review
rioxxterms.versionAM
rioxxterms.versionofrecord10.3732/ajb.1400197
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